Albatron PX845EV1 Series User Manual page 2

Update：The new models, the PX845EV1 Rev:800 and PX845EV1 Rev:800 PRO, have
been added to this series. They extend from the PX845EV1 series and it supports FSB
frequency up to 800 MHz by overclock. They support DDR266/ 200 when installed with
CPUs that have clock speeds of 100/ 133 MHz. They support DDR400/ 300 when installed
with CPUs that have clock speeds of 200 MHz. (Note: When the CAS Latency Time is 3, it
does not support DDR400 speed.)
Since the BIOS version has been changed, some fields should be described as below:
AGP/PCI Speed Setting
This field determines the AGP and PCI frequencies (speed settings). You can set these
frequencies using the supplied BIOS options. One of the options available to you is
"Auto,Auto". Using the "Auto, Auto" option will instruct the system to automatically calculate
these frequencies based on the factory default "CPU Host Frequency" setting, the current
"CPU Host Frequency" setting and formulas in the table below. Note that the factory default
"CPU Host Frequency" is the value of the "CPU Host Frequency" when you first received
your system. Options: Auto/Auto (default)、66.6/33.3、67.5/33.8、68.5/34.3、69.5/34.8、
70.6/35.3、71.6/35.8、72.6/36.3、73.6/36.8、74.7/37.4、75.7/37.9、76.7/38.4、77.7/38.9、
78.7/39.4、79.8/39.9、80.8/40.4
Factory Default
"CPU Host Frequency"
100
133
200
DDR:CPU Ratio
This item allows you to adjust your "DRAM:CPU Clock Ratio" and overclock the DDR
speeds of the system. The options that are available for this item will depend on the factory
default setting for the "CPU Host Frequency" BIOS field according to the table below.
Factory Default
CPU Host Frequency
100
133
200
If you want to use DDR400 DIMM memory, we suggest you to use the DIMM memory as
below list:
ADATA ADD8608A8A-4.5B 256M DDR450 Single Side
KingMAX MPXB82D-68KX3 KDL684T4AA-50 256M DDR400 Double Side
KingMAX MPXC22D-38KX3 KDL388C4EA-50 512M DDR400 Double Side
ADATA Winbond W942508BH-5 512MB DDR400 Double Sided
Formulas (using the "Auto, Auto" option)
AGP frequency = current CPU Host Frequency / 1.5
PCI frequency = current CPU Host Frequency / 3
AGP frequency = current CPU Host Frequency / 2
PCI frequency = current CPU Host Frequency / 4
AGP frequency = current CPU Host Frequency / 3
PCI frequency = current CPU Host Frequency / 6
Available Options
Default (default)、2.00X、2.66X、1.50X (debug mode)
Default (default)、1.50X、2.00X、2.66 X (Turbo mode)
Default (default)、1.50X、2.00X